Remove further obsolete stuff (#992) #3584

Job	Run time
create_nuget	1m 10s
build_and_test (gitlab/gitlab-ee:17.1.8-ee.0, Release)	19m 23s
build_and_test (gitlab/gitlab-ee:16.11.10-ee.0, Release)	19m 17s
deploy	23s
	40m 13s

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